MCQ
Methanogenic bacteria are not found in:
- ARumen of cattle.
- BGobar gas plant.
- CBottom of water-logged paddy fields.
- DActivated sludge.
Methanogenic bacteria are found in rumen of cattle, gobar gas plant and bottom of, water-logged paddy fields.
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$II.$ The cell is treated with specific concentration of a divalent cation such as $... B...$ to increase pore size in cell wall
$III. $In $...C...$ method recombinant $DNA$ is directly injected into the nucleus of an animal cell
The most appropriate option regarding $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ is